Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 419.35
Broken: version: 2.80 (sub 69), branch: master, commit date: 2019-05-19 04:56, hash: rBf2eef452009f
Short description of error
[Please fill out a short description of the error here]
When you have unsaved changes, and try to close Blender with the close button up right, then every click at this close button up right adds a new instance of the "file has not been saved confirmation dialog.
Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]
Open Blender, move the cube a bit, click at the close button up right. Move the dialog a bit away. Click again at the close button up right ...